package com.huang.community.util;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Component;
import org.thymeleaf.TemplateEngine;
import org.thymeleaf.context.Context;


import javax.mail.internet.MimeMessage;
import java.io.File;

/**
 * 邮件 公共类
 * @author TianTian
 * @date 2022/4/25 21:01
 */
@Slf4j
@Component
public class EmailCilent {

    @Autowired
    private JavaMailSender sender;
    @Autowired
    private TemplateEngine templateEngine;

    @Value("${spring.mail.username}")
    private String from;

    /**
     * 发送纯文本的简单邮件
     * @param to
     * @param subject
     * @param content
     */
    public void sendMail(String to, String subject, String content){
        SimpleMailMessage message = new SimpleMailMessage();
        message.setFrom(from);
        message.setTo(to);
        message.setSubject(subject);
        message.setText(content);
        try {
            sender.send(message);
            log.info("测试邮件。");
        } catch (Exception e) {
            log.error("测试邮件发生异常！", e);
        }
    }

    /**
     * 发送html格式的邮件
     * @param to
     * @param subject
     * @param content
     */

    public void sendHtmlMail(String to, String subject, String content){

        MimeMessage message = sender.createMimeMessage();
        try {
            //true表示需要创建一个multipart message
            MimeMessageHelper helper = new MimeMessageHelper(message);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content, true);
            sender.send(helper.getMimeMessage());
            log.info("html邮件已经发送。");
        } catch (Exception e) {
            log.error("发送html邮件时发生异常！", e);
        }
    }

//    /**
//     * 发送带附件的邮件
//     * @param to
//     * @param subject
//     * @param content
//     * @param filePath
//     */
//    public void sendAttachmentsMail(String to, String subject, String content, String filePath){
//        MimeMessage message = sender.createMimeMessage();
//
//        try {
//            //true表示需要创建一个multipart message
//            MimeMessageHelper helper = new MimeMessageHelper(message, true);
//            helper.setFrom(from);
//            helper.setTo(to);
//            helper.setSubject(subject);
//            helper.setText(content, true);
//
//            FileSystemResource file = new FileSystemResource(new File(filePath));
//            String fileName = filePath.substring(filePath.lastIndexOf(File.separator));
//            helper.addAttachment(fileName, file);
//
//            sender.send(message);
//            logger.info("带附件的邮件已经发送。");
//        } catch (Exception e) {
//            logger.error("发送带附件的邮件时发生异常！", e);
//        }
//    }
//
//    /**
//     * 发送嵌入静态资源（一般是图片）的邮件
//     * @param to
//     * @param subject
//     * @param content 邮件内容，需要包括一个静态资源的id，
//     * @param rscPath 静态资源路径和文件名
//     * @param rscId 静态资源id
//     */
//    public void sendInlineResourceMail(String to, String subject, String content, String rscPath, String rscId){
//        MimeMessage message = sender.createMimeMessage();
//
//        try {
//            //true表示需要创建一个multipart message
//            MimeMessageHelper helper = new MimeMessageHelper(message, true);
//            helper.setFrom(from);
//            helper.setTo(to);
//            helper.setSubject(subject);
//            helper.setText(content, true);
//
//            FileSystemResource res = new FileSystemResource(new File(rscPath));
//            helper.addInline(rscId, res);
//
//            sender.send(message);
//            logger.info("嵌入静态资源的邮件已经发送。");
//        } catch (Exception e) {
//            logger.error("发送嵌入静态资源的邮件时发生异常！", e);
//        }
//    }
}


